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What's the cheapest new energy alternative?
science.howstuffworks.com/environmental/energy/cheap-new-energy-alternative.htm
America, and really the entire world as a whole, runs on fossil fuels like gasoline and coal. But it's no secret that these resources can't last forever.
What is biorefining?
auto.howstuffworks.com/fuel-efficiency/biofuels/biorefining.htm
What is biorefining? Keep reading to learn about biofuel and biorefining.
Do you have a mole that doesn't look right?
health.howstuffworks.com/skin-care/problems/medical/mole-that-doesnt-look-right.htm
Not all mole changes signal melanoma, but it's important to have any changes checked out early. Learn what you should do if you have a mole that doesn't look right.
How to Use Subordinating Conjunctions in Your Writing
people.howstuffworks.com/subordinating-conjunctions.htm
We use subordinating conjunctions all the time, often without even knowing what they are. But how exactly do they work?
How to Use Subordinating Conjunctions in Your Writing
people.howstuffworks.com/using-subordinating-conjunctions.htm
We use subordinating conjunctions all the time, often without even knowing what they are. But how exactly do they work?
30-60-90 Triangle: 4 Facts to Remember for Your Next Test
science.howstuffworks.com/math-concepts/30-60-90-triangle.htm
Anyone who's ever faced mind-numbing trigonometry problems and practice questions will be familiar with the Pythagorean Theorem and its square root principles in the 30-60-90 triangle. This special triangle has several short-cut rules to help new mathematicians find interior angles and linear lengths quickly.
The Letter 'Ñ': How a Tilde Saved Space for Medieval Scribes
people.howstuffworks.com/n.htm
The letter "ñ" is Latin small letter (aka lowercase letter) found in Spanish words. A tilde (the squiggly line over the letter) distinguishes "ñ" from "n" and gives it different pronunciation. For instance, in Spanish, "ano" is pronounced "ah-no" and "año" is pronounced "ahn-yo." And for the record, these two words have very different meanings as well.
Countries That Start With 'O'
history.howstuffworks.com/world-history/countries-that-start-with-o.htm
Former countries that start with "O" include Orange Free State and Oldenburg but these states have since dissolved. There is now one remaining holdout between Asia and Africa: the Sultanate of Oman.
How to Build a Backyard Bird Sanctuary
home.howstuffworks.com/how-to-build-a-backyard-bird-sanctuary.htm
You wish you knew how to build a backyard bird sanctuary, but don't know where to find information. Learn about how to build a backyard bird sanctuary in this article.
What are the different types of drywall screws?
home.howstuffworks.com/different-types-drywall-screws.htm
Drywall screws are classified according to length and pitch. Learn more about the different types of drywall screws from this article.